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POCoding Style Guide for node.js apps?
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copied!<p>Is there a (or several) coding style guide for node.js? If not, what are the <strong>emerging styles</strong> used by the top open-source node projects?</p> <p>I'm looking for a guide (or several guides) along the lines of <a href="http://www.python.org/dev/peps/pep-0008/" rel="noreferrer">PEP 8</a>, the canonical Coding Style Guide for Python. I've seen various JavaScript guides not worth linking here (mostly old and targeted at client-side JavaScript). I found one interesting node.js <a href="http://nodeguide.com/style.html" rel="noreferrer">style guide</a>.</p> <p>A coding style guide, or coding conventions, should include (but is not limited to):</p> <ul> <li>Code layout: indentation (2 spaces, 4 spaces, tabs, ...), newlines, line breaks, etc.</li> <li>Whitespace, e.g., "function (arg)" vs. "function(arg)"</li> <li>Semicolon or no semicolon, var declaration, ...</li> <li>Naming, e.g., do_this() vs. doThis(), var_name vs. varName, ... </li> <li>node.js and JavaScript idioms, e.g., == vs. ===, callback's first arg is an error object, ...</li> <li>Comments and documentation</li> <li>Accompanying tools, like lint checker, unit test framework, ...</li> </ul> <p>This topic obviously is highly subjective, but I think it's an important step of a community to establish a common and widely accepted coding style in the process of getting mature. Also, it's not all just about taste. In particular, rules like "use === instead of ==" have a direct influence on code quality.</p>

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